The City of Phoenix, Arizona, through the Phoenix Convention Center Department ("PCCD"), as. A contractual agreement is a legally binding agreement between two parties.Click here to see examples, review 8 types, and learn how to write in 2023. Organization with the Arizona. A multiparty agreement is a contractual agreement between two or more parties. Both the Phoenix and Tucson Offices are open for walk-in services Monday through Friday (except Holidays) from 8 am to 4 pm.